School me on modern air-ride suspension

[Asshat]

I really don't know anything about air-ride suspension, so looking for info and suggestions. My truck has stock springs and I do not plan on slamming it to the ground or anything crazy like that. It just has a bit of a rough ride and I was wondering if adding air ride would smooth it out. I'm planning on getting some taller, narrower tires, 215/85-16.
I'm sure there are a few pros and cons... maybe you guys and gals can offer some advice?

Questions:
Can you have a combination of springs and air bags?

Or, do you just remove all the coil springs and install air bags?

If your compressor fails, are SOL?

You're stuck until you can fix the compressor and get air in the bags?

Could you even get it onto a flatbed?